CN106164537B - For manufacturing the method for the torque converter with the clutch surface being etched and the torque converter with the clutch surface being etched - Google Patents

For manufacturing the method for the torque converter with the clutch surface being etched and the torque converter with the clutch surface being etched Download PDF

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Publication number
CN106164537B
CN106164537B CN201580017461.2A CN201580017461A CN106164537B CN 106164537 B CN106164537 B CN 106164537B CN 201580017461 A CN201580017461 A CN 201580017461A CN 106164537 B CN106164537 B CN 106164537B
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CN
China
Prior art keywords
impeller housing
turbine shroud
blade
blades
fixedly connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201580017461.2A
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Chinese (zh)
Other versions
CN106164537A (en
Inventor
R·法拉哈蒂
J·克劳斯
C·马洛特
P·古鲁默西
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Schaeffler Technologies AG and Co KG
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Schaeffler Technologies AG and Co KG
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Publication of CN106164537A publication Critical patent/CN106164537A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H41/00—Rotary fluid gearing of the hydrokinetic type
    • F16H41/24—Details
    • F16H41/28—Details with respect to manufacture, e.g. blade attachment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D2069/004—Profiled friction surfaces, e.g. grooves, dimples
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D2069/0425—Attachment methods or devices
    • F16D2069/045—Bonding
    • F16D2069/0466—Bonding chemical, e.g. using adhesives, vulcanising
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H41/00—Rotary fluid gearing of the hydrokinetic type
    • F16H41/24—Details
    • F16H41/28—Details with respect to manufacture, e.g. blade attachment
    • F16H2041/285—Details with respect to manufacture, e.g. blade attachment of stator blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0278—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch comprising only two co-acting friction surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0289—Details of friction surfaces of the lock-up clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0294—Single disk type lock-up clutch, i.e. using a single disc engaged between friction members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making
    • Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Mechanical Operated Clutches (AREA)
  • Powder Metallurgy (AREA)
  • Laser Beam Processing (AREA)

Abstract

A method of manufacture torque converter, comprising: form the turbine shroud including first annular part, the first annular part includes the first surface with the first roughness and the radially part for forming turbine shroud；Multiple first blades are fixed to turbine shroud；Form impeller housing comprising the second annular section with second surface, the second surface have the second roughness；Multiple second blades are fixed to impeller housing；At least part on first or second surface is removed in the case where not using particulate matter or liquid；Increase the first or second roughness for being removed at least part of first or second surface；Adhesive is applied to and has been removed at least part of first or second surface；Friction material is bound to first or second surface with by described adhesive.

Description

For manufacturing the method and tool with the torque converter for the clutch surface being etched There is the torque converter for the clutch surface being etched
Cross reference to related applications
According to 35U.S.C. § 119 (e), this application claims the U.S. Provisional Patent Applications submitted on April 1st, 2014 No.61/973,312 priority, this application are incorporated herein by reference with entire contents.
Technical field
This disclosure relates to it is a kind of to for torque converter, the clutch surface that is combined with friction material is roughened Method and a kind of torque converter, the torque converter include the clutch with coarse surface, and friction material is bound to described Coarse surface.
Background technique
Fig. 5 is the partial sectional view with the existing torque converter 300 of turbine clutch 302.Torque converter 300 wraps Include: the cover 304 is arranged for receiving torque；Impeller 306；Turbine 308；With stator 310.Impeller 306 includes: with portion Divide the impeller housing 312 of 312A, part 312A has surface 314；With blade 316, such as by soldering be fixedly connected to Shell 312.Turbine 308 includes: the turbine shroud 318 with radially part 318A, the radially part 318A tool There is surface 320；With blade 322, such as by soldering be fixedly connected to shell 318.Stator 310 includes blade 324 and list To clutch 325.Clutch 302 include friction material 326, the friction material 326 by adhesive be bound to surface 314 or 320.Clutch 302 serves as the lock-up clutch for converter 300.For example, pressure in chamber 328 axially AD Shell 318 is acted on, is contacted so that friction material 326 is generated with surface 314 and 320, to make shell 312 and 318 can not Rotatably connect.Therefore, the torque for being passed to shell 312 is directly transferred to shell 318.
In order to which friction material is bound to surface 314 or 320, surface 314 or 320 is roughened, in order to make adhesive knot It is bonded to surface 314 or 320.In general, blade 316 and 322 is individually secured to shell 312 and 318, the soldering by brazing process Process includes heater blade and shell.Heating is so that surface 314 and 320 generates some deformations.Surface 314 and 320 is then by machine Processing, to remove deformation.Due to machining steps, roughening just can be carried out until brazing process.That is, if roughening If implementing before brazing operation, machining will just eliminate roughening.
It is known that for example by alumina particle using blasting treatment come coarse surface, such as surface 314 and 320.Spray After sand processing, the component through blasting treatment must be rinsed, to remove the particle remained after blasting treatment process.However, shell 312 form the countless recesses that can accommodate particle, gap, pocket portion with blade 316 and shell 318 and the corresponding combination of blade 322 With other configurations.It is difficult, is in fact almost impossible by rinsing or any other measure removes particle.Remain in turbine or Particle in impeller can negatively affect torque converter 300 or be connected to the other equipment of torque converter (such as to torque Converter offer fluid drive pump) operation.
Summary of the invention
According to aspects herein described, a kind of method for manufacturing torque converter is provided, comprising: being formed includes first The turbine shroud of annular section, the first annular part include the first surface with the first roughness and form turbine shroud Radially part；Multiple first blades are fixedly connected to turbine shroud；Form impeller housing comprising have second Second annular section on surface, the second surface have the second roughness；Multiple second blades are fixedly connected to impeller Shell；At least part on first or second surface is removed in the case where not using particulate matter or liquid；Increase is removed The first or second roughness on at least part of first or second surface；Adhesive is applied to be removed it is described extremely At least part of first or second surface；Described at least one has been removed with friction material is bound to by described adhesive The first or second surface divided.
According to aspects herein described, a kind of method for manufacturing torque converter is provided, comprising: being formed includes first The turbine shroud of annular section, the first annular part include the first surface with the first roughness and form turbine shroud Radially part；Multiple first blades are fixedly connected to turbine shroud；Form impeller housing comprising have second Second annular section on surface, the second surface have the second roughness；Multiple second blades are fixedly connected to impeller Shell；Using cured carbon dioxide particle or use NaHCO3Particles hit first or second surface；Adhesive is applied to First or second surface through hitting；Friction material is bound to the first or second table through hitting with by described adhesive Face.
According to aspects herein described, a kind of torque converter is provided comprising: the cover is arranged for connecing Receive torque；Impeller comprising impeller housing, the impeller housing are fixedly connected to the cover and including first surfaces；Multiple One blade, is fixedly connected to impeller housing；Turbine comprising the turbine shroud with second surface, the second surface Form the radially part of turbine shroud；Friction material is bound to first or second surface by adhesive；And stator, It is connected to turbine and impeller, and including multiple third blades.The first or second surface for being combined with friction material includes the period Property pattern pattern, the periodic patterns pattern are etched in the first or second surface for being combined with friction material.
Detailed description of the invention
Only pass through example with reference to attached drawing and disclose various embodiments, in the accompanying drawings, corresponding appended drawing reference represents corresponding Component, in which:
Figure 1A is the perspective view for showing the cylindrical-coordinate system of spatial terminology used in this application；
Figure 1B is the perspective view for showing the object in the cylindrical-coordinate system of Figure 1A of spatial terminology used in this application；
Fig. 2 be include turbine clutch torque converter partial sectional view, the turbine clutch have is combined with The coarse surface of friction material；
Fig. 3 is the axial view on the surface in the region 3 of Fig. 2, shows the exemplary patterns pattern etched in surface Schematic presentation；
Fig. 4 be include turbine clutch torque converter partial sectional view, the turbine clutch have is combined with The coarse surface of friction material；And
Fig. 5 is the partial sectional view with the existing torque converter of turbine clutch.
Specific embodiment
First, it should be understood that in different drawings, similar appended drawing reference indicates the identical of the disclosure or functionally phase As structural element.It should be appreciated that the present disclosure is not limited to these disclosed aspects.
In addition, it should be understood that the disclosure is not limited to described particular implementation, material and remodeling, and this It can of course change a bit.It is also understood that term used herein is used only for describing the purpose of each particular aspects, and unexpectedly It is limiting the scope of the present disclosure.
Unless justice of separately reordering, otherwise the meaning of all technical and scientific terms used herein is led with technology belonging to the present invention Those of ordinary skill in domain routinely understands identical.It should be appreciated that with those of described herein similar or of equal value any Method, apparatus or material can be used for implementation or test of the invention.
Figure 1A is the perspective view for showing the cylindrical-coordinate system 10 of spatial terminology used in this application.The present invention is extremely Partially it is described in the sense that cylindrical-coordinate system 10.Coordinate system 10 have for hereafter direction and spatial terminology serve as ginseng The longitudinal axis 1 examined.Axial direction A D is parallel to axis 1.Radial direction RD is orthogonal to axis 1.Circumferential direction CD is by surrounding The endpoint for the radius R (being orthogonal to axis 1) that axis 1 rotates defines.
In order to illustrate spatial terminology, object 4,5 and 6 has been used.The surface 7 of object 4 forms axial plane.For example, axis Line 1 and surface 7 are consistent.The surface 8 of object 5 forms sagittal plane.For example, radius 2 and surface 8 are consistent.The surface 9 of object 6 Form peripheral surface.For example, circumference 3 and surface 9 are consistent.As another example, move axially or be arranged parallel to axis 1； It moves radially or arranges and be orthogonal to axis 2, and circumferential direction is mobile or is arranged parallel to circumference 3.It rotates and is retouched herein relative to axis 1 It states.
Adverbial word " axial direction ", " radial direction " and " circumferential direction " be respectively about the orientation parallel with axis 1, radius 2 or circumference 3 and Speech.Adverbial word " axial direction ", " radial direction " and " circumferential direction " is also used about the orientation for being parallel to respective planes.
Figure 1B is the saturating of the object 15 in the cylindrical coordinate system 10 for indicate in Figure 1A spatial terminology used in this application View.Cylindrical object 15 is the representative of the cylindrical object in cylindrical coordinate system, and is not intended to limit this in any way The claim of invention.Object 15 includes axial surface 11, radial surface 12 and peripheral surface 13.Surface 11 is axial plane A part, surface 12 is a part of sagittal plane, and surface 13 is a part of peripheral surface.
Fig. 2 be include turbine clutch 102 torque converter 100 partial sectional view, the turbine clutch 102 has There is coarse surface, friction material is bound to the coarse surface.Torque converter 100 includes: the cover 104, is arranged for It receives torque (such as from engine, being not shown)；Impeller 106；Turbine 108；With stator 110.Impeller 106 includes: impeller housing Body 112 has the annular section 112A including surface 114；With blade 116, it is fixedly connected to shell 112.Turbine 108 Include: turbine shroud 118, there is the radially part 118A with surface 120；With blade 122, it is fixedly connected to Shell 118.Stator 110 includes blade 124 and one-way clutch 125.Clutch 102 includes friction material 126, the friction material Material 126 is bound to surface 114 or 120 by adhesive.Clutch 102 serves as the lock-up clutch for converter 100.Example Such as, axially AD acts on shell 118 to pressure in chamber 128, so that friction material 126 and surface 114 and 120 produce Raw contact, so that shell 112 and 118 non-rotatably be connected.Therefore, the torque for being passed to shell 112 directly transmits To shell 118.
In order to which friction material is bound to surface 114 or 120, surface 114 or 120 is roughened, in order to by adhesive knot It is bonded to surface 114 or 120.In general, blade 116 and 122 is individually secured to shell 112 and 118, the soldering by brazing process Process includes heater blade and shell.Heating causes surface 114 and 120 to generate some deformations.Surface 114 and 120 is then by machine Processing, to remove the deformation.Due to machining steps, roughening after brazing process until just can be carried out.That is, if If roughening is implemented before brazing operation, machining will just eliminate roughening.
Fig. 3 is the axial view on the surface 120 in the region 3 of Fig. 2, show etched in surface 120 it is exemplary The schematic presentation of pattern pattern 130.Although surface 120 is shown in FIG. 3, but it is to be understood that surface 114 may also comprise by Etch into the pattern pattern 130 in surface 114.It should be appreciated that pattern pattern 130 is a schematic example, and other patterns Pattern is also feasible.Pattern pattern process is discussed below.
A kind of illustrative methods for being used to form torque converter 100 are described below.Although for clarity, this method with The sequence of step proposes, but except non-clearly stating, otherwise the sequence should not regard order as.It includes annular that first step, which is formed, The impeller housing 112 of part 112A.Part 112A includes the surface 114 with the first roughness.Second step consolidates blade 116 Surely it is connected to impeller housing.Third step forms turbine shroud 118 and annular section 118A.Part 118A includes surface 120. Surface 120 has the second roughness.Blade 122 is fixedly connected to turbine shroud 118 by four steps.5th step does not make With at least part for removing surface 114 or 120 in the case where particulate matter or liquid.It is described below and is carried out for surface 120；So And, it should be understood that these descriptions are also applied for surface 114.The roughness on the 6th step increase surface 120.7th step will glue Mixture is applied to surface 120.Friction material 126 is bound to surface 120 by described adhesive by the 8th step.
At least part on removal surface 114 or 120 is included in formation periodic patterns pattern 130 in surface 120. In one exemplary embodiment, blade 116 is fixedly connected to impeller housing includes that brazing material is applied to impeller housing Body and/or blade 116, and heat impeller housing, brazing material and blade 116.In one exemplary embodiment, the 9th step Suddenly, before the 5th step, surface 114 is machined out, to obtain the second roughness.In one exemplary embodiment, It includes brazing material being applied to turbine shroud and/or blade 122, and heat that blade 122, which is fixedly connected to turbine shroud, Turbine shroud, brazing material and blade 122.In one exemplary embodiment, the tenth step, before the 5th step, to table Face 120 is machined out, to obtain the first roughness.
11st step assembles turbine and impeller with stator 110.12nd step by impeller housing 112 fixedly It is connected to the cover 104.
In one exemplary embodiment, laser is used in the 5th step.The power and laser of laser focus on table Duration on the specific region in face 114 or 120 is determined to be: so that laser ablation forms the corresponding material on surface 114 and 120 At least part of material, to generate pattern pattern 130.In one exemplary embodiment, laser with digital 8 pattern patterns along X and Y-direction are mobile, while translating on surface 114 or 120 along X or Y-direction.Valuably, surface is etched using laser 114 or 120 will not generate particle pollution to torque converter 100, such as (evaporate) quilt since laser substantially evaporates The material of removal, and the material being evaporated can be from surface 114 or 120 ventings.
Fig. 4 be include turbine clutch 202 torque converter 200 partial sectional view, the turbine clutch 202 has There is coarse surface, friction material is bound to the coarse surface.Torque converter 200 includes: the cover 204, is arranged for It receives torque (such as from engine, being not shown)；Impeller 206；Turbine 208；With stator 210.Impeller 206 includes: impeller housing Body 212 has the annular section 212A including surface 214；With blade 216, it is fixedly connected to shell 212.Turbine 208 Include: turbine shroud 218, there is the radially part 218A with surface 220；With blade 222, it is fixedly connected to Shell 218.Stator 210 includes blade 224 and one-way clutch 225.Clutch 202 includes friction material 226, the friction material Material 226 is bound to surface 214 or 220 by adhesive.Clutch 202 serves as the lock-up clutch for converter 200.Example Such as, axially AD acts on shell 218 to the pressure in chamber 228, so that friction material 226 and surface 214 and 220 Contact is generated, so that shell 212 and 218 non-rotatably be connected.Therefore, the torque for being passed to shell 212 directly passes It is handed to shell 218.
In order to which friction material is bound to surface 214 or 220, surface 214 or 220 is roughened, in order to by adhesive knot It is bonded to surface 214 or 220.In general, blade 216 and 222 is individually secured to shell 212 and 218, the soldering by brazing process Process includes heater blade and shell.Heating causes surface 214 and 220 to generate some deformations.Surface 214 and 220 is then by machine Processing, to remove the deformation.Due to machining steps, roughening after brazing process until just can be carried out.That is, if If roughening is implemented before brazing operation, machining will just eliminate roughening.
A kind of method for manufacturing torque converter 200 is described below.Although for clarity, this method is with the sequence of step It proposes, but except non-clearly stating, otherwise the sequence should not regard order as.First step is formed including annular section 212A Impeller housing 212.Blade 216 is fixedly connected to impeller housing by second step.Third step forms turbine shroud 218 and ring Shape part 218A.Part 218A includes surface 220.Four steps blade 222 is fixedly connected to turbine shroud 218.5th step Suddenly it uses cured carbon dioxide particle or uses NaHCO3Particles hit surface 214 or 220.6th step applies adhesive To the surface 214 or 220 through hitting.Friction material 226 is bound to the surface through hitting by described adhesive by the 7th step 214 or 220.
When use NaHCO3When particles hit surface 214, the 8th step rinses impeller housing and blade 216, is hit with removal Remain in after the completion of hitting in impeller housing or blade 216 or on NaHCO3Particle.When use NaHCO3Particles hit surface 220 When, the 8th step rinses turbine shroud and blade 222, remained in after the completion of being hit with removal in turbine shroud or blade 222 or On NaHCO3Particle.
In one exemplary embodiment, blade 216 is fixedly connected to impeller housing includes: to apply brazing material To impeller housing and/or blade 216, and heat impeller housing, brazing material and blade 216.In one exemplary embodiment, 9th step is machined out surface 214 before the 5th step.In one exemplary embodiment, blade 222 is consolidated Surely being connected to turbine shroud includes brazing material being applied to turbine shroud and/or blade 222, and heat turbine shroud, pricker Wlding material and blade 222.In one exemplary embodiment, the tenth step carries out machine to surface 220 before the 5th step Processing.
11st step assembles turbine and impeller with stator 210.12nd step by impeller housing 212 fixedly It is connected to the cover 204.
Valuably, the 5th step remains in any carbon dioxide in impeller 206 or turbine 208 at ambient temperature later Evaporation.Therefore, the residue that may negatively affect torque converter 200 or equipment relevant to converter 200 is not left.
Due to NaHCO3Be it is water-soluble, the flushing process of the 9th and the tenth step can valuably remove the 5th step it Nearly all NaHCO in impeller 206 or turbine 208 is remained in afterwards3.Therefore, torque conversion may be negatively affected by not leaving The particle of device 200 or equipment relevant to converter 200.
It should be appreciated that above disclosure and other feature and function or its substitute can be desirably combined into it is many its His different system or application.Many of unforeseen at present or unexpected alternative solution, modification, modification or improvement It can then be carried out by those skilled in the art, it is also desirable to be covered by claim.

Claims (17)

1. a kind of method for manufacturing torque converter, comprising:
The turbine shroud including first annular part is formed, the first annular part:
Including the first surface with the first roughness；And
Form the radially part of turbine shroud；
Multiple first blades are fixedly connected to turbine shroud；
Form impeller housing comprising the second annular section with second surface, the second surface have the second roughness；
Multiple second blades are fixedly connected to impeller housing；
At least part on first or second surface is removed in the case where not using particulate matter or liquid；
Increase the first or second roughness for being removed at least part of first or second surface；
Adhesive is applied to and has been removed at least part of first or second surface；With,
Friction material is bound to by described adhesive and has been removed at least part of first or second surface.
2. the method according to claim 1, wherein removing described at least part includes: being removed State formation periodic patterns pattern at least part of first or second surface.
3. according to the method described in claim 1, it is characterized by:
Multiple first blades, which are fixedly connected to turbine shroud, includes:
Brazing material is applied to turbine shroud or the multiple first blade；With,
Heat turbine shroud, brazing material and the multiple first blade.
4. according to the method described in claim 3, it is characterized in that, this method further includes, on removal first or second surface Before at least part:
First surface is machined out, to obtain the first roughness.
5. according to the method described in claim 1, it is characterized by:
Multiple second blades, which are fixedly connected to impeller housing, includes:
Brazing material is applied to impeller housing or the multiple second blade；With,
Heat impeller housing, brazing material and the multiple second blade.
6. according to the method described in claim 5, it is characterized in that, this method further includes, on removal first or second surface Before at least part:
Second surface is machined out, to obtain the second roughness.
7. the method according to claim 1, wherein this method further include:
Turbine and impeller are assembled with the stator for including multiple third blades.
8. according to the method described in claim 6, it is characterized in that, this method further include:
Impeller housing is fixedly connected to the cover for being used for torque converter.
9. a kind of method for manufacturing torque converter, comprising:
The turbine shroud including first annular part is formed, the first annular part:
Including the first surface with the first roughness；And
Form the radially part of turbine shroud；
Multiple first blades are fixedly connected to turbine shroud；
Form impeller housing comprising the second annular section with second surface, the second surface have the second roughness；
Multiple second blades are fixedly connected to impeller housing；
Using cured carbon dioxide particle or use NaHCO3Particles hit first or second surface；
Adhesive is applied to the first or second surface through hitting；With,
Friction material is bound to the first or second surface through hitting by described adhesive.
10. according to the method described in claim 9, it is characterized in that, this method further include:
When first surface is knocked, rinse turbine shroud and the multiple first blade, with removal remain in turbine shroud or In the multiple first blade or on NaHCO3Particle；Or,
When second surface is knocked, rinse impeller housing and the multiple second blade, with removal remain in impeller housing or In the multiple second blade or on NaHCO3Particle.
11. according to the method described in claim 9, it is characterized by:
Multiple first blades, which are fixedly connected to turbine shroud, includes:
Brazing material is applied to turbine shroud or the multiple first blade；With,
Heat turbine shroud, brazing material and the multiple first blade.
12. according to the method for claim 11, which is characterized in that this method further includes hitting first or second surface At least part before:
First surface is machined out, to obtain the first roughness.
13. according to the method described in claim 9, it is characterized by:
Multiple second blades, which are fixedly connected to impeller housing, includes:
Brazing material is applied to impeller housing or the multiple second blade；With,
Heat impeller housing, brazing material and multiple second blades.
14. according to the method for claim 13, which is characterized in that this method further includes hitting first or second surface At least part before:
Second surface is machined out, to obtain the second roughness.
15. according to the method described in claim 9, it is characterized in that, this method further include:
Turbine and impeller are assembled with the stator for including multiple third blades.
16. according to the method for claim 15, which is characterized in that this method further include:
Impeller housing is fixedly connected to the cover for being used for torque converter.
17. a kind of torque converter, comprising:
The cover is arranged for receiving torque；
Impeller comprising impeller housing, the impeller housing are fixedly connected to the cover and including first surfaces；
Multiple first blades, are fixedly connected to impeller housing；
Turbine comprising the turbine shroud with second surface, the second surface form the radially part of turbine shroud；
Friction material is bound to first or second surface by adhesive；With,
Stator is connected to turbine and impeller, and including multiple third blades, in which:
The first or second surface for being combined with friction material includes periodic patterns pattern, and the periodic patterns pattern is etched Into the first or second surface for being combined with friction material.
CN201580017461.2A 2014-04-01 2015-03-30 For manufacturing the method for the torque converter with the clutch surface being etched and the torque converter with the clutch surface being etched Active CN106164537B (en)

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WO2015153453A1 (en) 2015-10-08
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US20150276034A1 (en) 2015-10-01
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US20190186608A1 (en) 2019-06-20
US20170219075A1 (en) 2017-08-03

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